Note: If the number in the blacklist tries to contact you, you will not receive a notification, but the call will be recorded in the call log.
1. Under the Samsung J3 (5.1.1) standby page, click on the "Phone" button, because it is a phone blacklist.
2. Then click "More" on the phone.
3. Go to more interfaces below and we'll find the following "settings."
4. After entering, set up "Caller ID".
5. Click on the "Block list", where you can add or delete the blacklist of the phone Oh.
6. You can select a contact from the records or contacts, take the direct input number as an example, and then click the "+" icon.
Note: You can also click the "block anonymous caller" switch to start the feature, which will block anonymous calls (such as hidden numbers).
is not very simple so the blacklist is set up, of course, there is another one is if the other Exchange number can not be stopped, at this time if it is an Apple phone directly to set up to accept only contact people in the phone OH.